Home / 20,184.49-27,854.18-11,231.46

Finding the Fourth Proportional to 20,184.49, 27,854.18 and 11,231.46

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Solution

The fourth proportional to 20,184.49, 27,854.18 and 11,231.46 is: 15,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.49 : 27,854.18 = 11,231.46 : x
  2. Step 2: Convert to fraction form
    20,184.49/27,854.18 = 11,231.46/x
  3. Step 3: Cross multiply
    20,184.49x = 27,854.18 × 11,231.46
  4. Step 4: Simplify right side
    20,184.49x = 312,843,094.46
  5. Step 5: Solve for x
    x = 312,843,094.46/20,184.49
  6. Step 6: Final answer
    x = 15,499.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.